Add 42/7 and 5/90
1st number: 6 0/7, 2nd number: 5/90
42/7 + 5/90 is 109/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
42/7 = 42 × 90/7 × 90 = 3780/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
5/90 = 5 × 7/90 × 7 = 35/630 - Add the two like fractions:
3780/630 + 35/630 = 3780 + 35/630 = 3815/630 - 3815/630 simplified gives 109/18
- So, 42/7 + 5/90 = 109/18
In mixed form: 61/18
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